SN74HC4851QDRQ1

The SN74HC4851QDRQ1 is a high-speed CMOS (Complementary Metal-Oxide-Semiconductor) device from Texas Instruments, specifically designed for use in automotive applications. It is a part of the SN74HC family, which is known for its high-speed performance and low power consumption.

Key Features:

1. Functionality: The SN74HC4851 is an 8-channel analog multiplexer/demultiplexer. It allows for the selection of one of several input signals and routes it to a single output line, making it ideal for applications that require signal routing.

2. Voltage Range: The device operates over a wide supply voltage range, typically from 2V to 6V, which makes it versatile for various applications.

3. High-Speed Operation: The SN74HC4851 is capable of high-speed switching, with propagation delays typically in the range of nanoseconds, allowing for fast data transmission.

4. Low Power Consumption: As a CMOS device, it features low static power consumption, which is particularly beneficial in battery-operated devices.

5. Input/Output Compatibility: The device is compatible with standard TTL (Transistor-Transistor Logic) levels, making it suitable for interfacing with other digital logic families.

6. Automotive Grade: The "Q1" designation indicates that this part is qualified for automotive applications, adhering to stringent automotive standards for reliability and performance.

7. Pin Configuration: The SN74HC4851QDRQ1 typically comes in a 16-pin TSSOP (Thin Shrink Small Outline Package) or other surface-mount packages, facilitating easy integration into compact designs.

8. Temperature Range: It is designed to operate in a wide temperature range, suitable for automotive environments, typically from -40°C to +125°C.

9. Applications: Common applications include signal routing in automotive systems, data acquisition systems, and any application requiring the selection of multiple analog signals.

Electrical Characteristics:

• Supply Voltage (Vcc): 2V to 6V
• Input Voltage (Vi): 0V to Vcc
• Output Voltage (Vo): 0V to Vcc
• Maximum Input Current: Typically around ±20 mA
• Propagation Delay: Typically around 5 ns at Vcc = 5V

Summary:

The SN74HC4851QDRQ1 is a robust, high-speed analog multiplexer/demultiplexer suitable for automotive and other high-performance applications. Its combination of low power consumption, wide operating voltage range, and fast switching capabilities makes it an excellent choice for engineers looking to implement efficient signal routing in their designs.